code: def token_index(self) -> Dict[str, int]:
      return self._keras_tokenizer.word_index
  
file_path: headliner/headliner/preprocessing/keras_tokenizer.py
imports: from typing import List, Iterable, Dict
  from keras_preprocessing.text import Tokenizer
  from headliner.preprocessing.tokenizer import Tokenizer
label_desc: Use image node_id 6 for calling the KerasTokenizer obj's underlying member method code with example usage: obj.token_index() and returns: self